<template>
	<section>
		<!--工具条-->
		<el-col :span="24" class="toolbar" style="padding-bottom: 0px;">
			<el-form :inline="true" :model="query">
				<el-form-item>
					<el-input v-model="query.keyword" placeholder="关键字"></el-input>
				</el-form-item>
				<el-form-item>
					<el-button type="primary" v-on:click="search">查询</el-button>
				</el-form-item>
				<el-form-item>
					<el-button type="primary"   @click="handleAdd">新增</el-button>
				</el-form-item>
			</el-form>
		</el-col>

		<!--列表:优秀实践，copy domain修改列表-->
		<el-table :data="pageData.data" highlight-current-row v-loading="listLoading" @selection-change="selsChange" style="width: 100%;">
			<el-table-column type="selection" width="55">
			</el-table-column>
			<el-table-column type="index" width="60">
			</el-table-column>
			<el-table-column prop="name" label="名称" width="120" sortable>
			</el-table-column>
			<el-table-column prop="parent.name" label="父级菜单" width="120" sortable>
			</el-table-column>
			<el-table-column prop="url" label="访问URL" width="160" sortable>
			</el-table-column>
			<el-table-column prop="component" label="组件路径" width="220" sortable>
			</el-table-column>
			<el-table-column prop="icon" label="图标" width="200" sortable>
			</el-table-column>
			<el-table-column prop="intro" label="简介" width="200" sortable>
			</el-table-column>
			<!--<el-table-column prop="state" label="状态" width="120" sortable :formatter="stateFormatter">-->
			<el-table-column prop="state" label="状态" width="100" sortable>
				<template scope="scope">
					<span style="color: green" v-if="scope.row.state==0">正常</span>
					<span style="color: red" v-else="scope.row.state==-1">禁用</span>
				</template>
			</el-table-column>
			<el-table-column label="操作" min-width="120">
				<template scope="scope">
					<el-button size="small" @click="handleEdit(scope.$index, scope.row)">编辑</el-button>
					<el-button type="danger"  size="small" @click="handleDel(scope.$index, scope.row)">删除</el-button>
				</template>
			</el-table-column>
		</el-table>

		<!--工具条-->
		<el-col :span="24" class="toolbar">
			<el-button type="danger" @click="batchRemove" :disabled="this.sels.length===0">批量删除</el-button>
			<el-pagination layout="prev, pager, next" @current-change="handleCurrentChange" :current-page="query.currentPage" :page-size="query.pageSize" :total="pageData.total" style="float:right;">
			</el-pagination>
		</el-col>

		<!--新增和编辑对话框-->
		<el-dialog :title="title"  :visible.sync="menuFormVisible" :close-on-click-modal="false">
			<!--ref="menuForm" 指定表单名称，以后可以通过this.$refs.menuForm-->
			<el-form :model="menu" label-width="80px" :rules="menuFormRules" ref="menuForm">

                <el-form-item label="上级菜单">
                    <el-cascader
                            v-model="menu.parent"
                            :options="menuTree"
                            :props="{ checkStrictly: true, label: 'name', value: 'id' }"
                            clearable></el-cascader>
                </el-form-item>
				<el-form-item label="名称" prop="name">
					<el-input v-model="menu.name" auto-complete="off"></el-input>
				</el-form-item>
				<el-form-item label="排序" prop="index">
					<el-input-number v-model="menu.index" controls-position="right" @change="handleChange" :min="1" :max="10"></el-input-number>
				</el-form-item>
				<el-form-item label="访问URL" prop="url">
					<el-input v-model="menu.url" auto-complete="off"></el-input>
				</el-form-item>
				<el-form-item label="组件路径" prop="component">
					<el-input v-model="menu.component" auto-complete="off"></el-input>
				</el-form-item>
				<el-form-item label="标识" prop="sn">
					<el-input v-model="menu.sn" auto-complete="off"></el-input>
				</el-form-item>
				<el-form-item label="图标" prop="icon">
					<el-input v-model="menu.icon" auto-complete="off"></el-input>
				</el-form-item>
				<el-form-item label="状态">
					<el-radio-group v-model="menu.state">
						<el-radio class="radio" :label="0">正常</el-radio>
						<el-radio class="radio" :label="-1">禁用</el-radio>
					</el-radio-group>
				</el-form-item>

			</el-form>
			<div slot="footer" class="dialog-footer">
				<el-button @click.native="menuFormVisible = false">取消</el-button>
				<el-button type="primary" @click.native="save" :loading="menuLoading">保存</el-button>
			</div>
		</el-dialog>

	</section>
</template>

<script>
	export default {
		data() {
			return {
			    title:'',
				pageData:{
				    total:0,//分页条
					data:[]//数据表格
				},
				query:{
				    keyword:'',
				    currentPage:1,//分页条
					pageSize:10 //分页条
				},
				listLoading: false,
				sels: [],//列表选中列
				menuFormVisible: false,//编辑界面是否显示
				menuLoading: false,
				menuFormRules: {
					name: [
						{ required: true, message: '请输入名称', trigger: 'blur' }
					],
                    index: [
                        { required: true, message: '请输入标识', trigger: 'blur' }
                    ],
                    url: [
                        { required: true, message: '请输入访问路径', trigger: 'blur' }
                    ],
                    component: [
                        { required: true, message: '请输入组件路径', trigger: 'blur' }
                    ],
				},
                menuTree:[],

				//编辑界面数据
				menu: {
					id: null,
					name: '',
					sn: '',
                    index:1,
                    icon: '',
                    url: '',
                    component: '',
                    intro: '',
					state: 0,
                    parent: {}
				}
			}
		},
		methods: {
            handleChange(value) {
                this.menu.index = value;
            },
			search(){
			    //修改页码
			    this.query.currentPage =1;
			    //改查询条件=双向绑定输入时自动改变，只需要重新查询一次就ok
			    this.getMenus();
			},
			handleCurrentChange(val) {
				this.query.currentPage = val;
				this.getMenus();
			},
			//获取用户列表
			getMenus() {
				this.listLoading = true; //加载条
				this.$http.post("/menu/list",this.query)
                    .then(result => {
                        this.pageData.data = result.data.rows;
                        this.pageData.total = result.data.totals;
                        this.listLoading = false; //去除加载条
                    })
					.catch(result=>{
					    alert("抱错了！");
					})

			},
			//删除
			handleDel: function (index, row) {
				this.$confirm('确认删除该记录吗?', '温馨提示', {
					type: 'warning'
				}).then(() => {
					this.listLoading = true;
					let url = "/menu/"+row.id;
					this.$http.delete(url)
                        .then((result) => {
							result = result.data; //{sucesss:true,message:"xx"}
                            this.listLoading = false;
                            if(result.success){ //成功提示
                                this.$message({
                                    message: '删除成功',
                                    type: 'success'
                                });
							}else{
                                this.$message({ //错误提示
                                    message: result.message,
                                    type: 'error'
                                });
							}
							//重新加载数据
                            this.getMenus();
                        });
                }).catch(() => {
                });
			},
			//显示编辑界面s
			handleEdit: function (index, row) {
                console.log(row)
			    //修改对话框标题
                this.title = "修改菜单";
                this.getMenuTree();//加载父级菜单
			    //弹出对话框
				this.menuFormVisible = true;
				if (!row.parent){
				    row.parent = {}
                }
				//回显
				this.menu = Object.assign({}, row);
			},
			//显示新增界面
			handleAdd: function () {
                //修改对话框标题
                this.title = "添加菜单"
			    //弹出对话框
				this.menuFormVisible = true;
                //置空数据，防止先点修改，后点添加有值
				this.menu =  {
                    id: null,
                    name: '',
                    sn: '',
                    dirPath:'',
                    state: 0,
                    manager: {},
                    parent: null
                };
                this.getMenuTree();//加载父级菜单
			},
			//保存
            save: function () {
				this.$refs.menuForm.validate((valid) => {
					if (valid) {
						this.$confirm('确认保存吗？', '提示', {}).then(() => {
							this.menuLoading = true;
							let para = Object.assign({}, this.menu);
							//处理上级菜单参数格式 parent:[1,34]---->parent:{id:34}
							let parentArr = para.parent;
							if(parentArr){
                                para.parent = {"id":parentArr[parentArr.length-1]}
							}
							this.$http.put("/menu",para)
							  .then((result) => {
								this.menuLoading = false;
								result = result.data;
								if(result.success){
                                    this.$message({
                                        message: '提交成功',
                                        type: 'success'
                                    });
                                    this.menuFormVisible = false; //关闭对话框
                                    this.$refs['menuForm'].resetFields();//重置表单
                                    this.getMenus(); //重新加载
								}else{
                                    this.$message({
                                        message: result.message,
                                        type: 'error'
                                    });
                                    //失败了可能修改了提交
								}
							});
						});
					}
				});
			},
			selsChange: function (sels) {
				this.sels = sels;
			},
			//批量删除
			batchRemove: function () {
			    //遍历选择记录把id放到一个数组中
				var ids = this.sels.map(item => item.id); //[1,2,3]
				this.$confirm('确认删除选中记录吗？', '温馨提示', {
					type: 'warning'
				}).then(() => {
					this.listLoading = true;
					this.$http.patch("/menu",ids)
						.then((result) => {
							this.listLoading = false;
							result = result.data;
							if(result.success){
                                this.$message({
                                    message: '删除成功',
                                    type: 'success'
                                });
							}else{
                                this.$message({
                                    message:result.message,
                                    type: 'error'
                                });
                            }
                            //跳转到第一页
                            this.handleCurrentChange(1);
					});
				}).catch(() => {

				});
			},
			getMenuTree(){
			    this.$http.get("/menu/tree")
					.then(result=>{
					    if(result.data){
                            this.menuTree = result.data;
						}
					});
			}
		},
		mounted() {
			this.getMenus();
		}
	}

</script>

<style scoped>

</style>